The County Book, Anne Arundel County

HVAC

Dates change; confirm with the official source before you act on one.

Every entry below names its official source and the date it was checked against that source.

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Renewals

HVACR licenses renew on a 2-year term expiring the first October 1 in an odd-numbered year

HVACR licenses renew on a 2-year term, expiring on the first October 1 in an odd-numbered year. Since October 1, 2025, an expired license may be restored within 4 years on payment of renewal and reinstatement fees.

Jurisdiction: Maryland

Source: Md. Code, Business Regulation ยง 9A-309, as amended by 2025 Ch. 86 (SB 263)

Checked against this source on 2026-10-30

Paperwork

HVACR work is licensed by the State Board of HVACR Contractors

HVACR work is licensed by the State Board of HVACR Contractors in master, master restricted, and journeyman tiers. Residential HVAC installs for homeowners also intersect MHIC when sold as home improvement by an MHIC contractor.

Jurisdiction: Maryland

Source: Md. Code, Business Regulation Title 9A; MD Dept. of Labor board structure

Checked against this source on 2026-10-30